hamid karzai was a man of strong emotions and loyalties rubbed raw sometimes to cynicism by long years and slowed to trust but chited to relationships. you spent a lot of travel time with him. bottom line, is he doing what he needs to do? >> well, i'm not on the ground to junl the current activities but i think he's doing what he thinks he has to do, and that is navigate a western coalition that is very skeptical of the mission and desirous of pulling out, dealing with a taliban insurgency and then internal politics. so i think if you really look at his challenge, he's walking a tight rope in a stiff wind. just because he doesn't do everything we want doesn't mean he's not doing what he has to do to survive in that world. >> here's what really worries me. after more than a decade of u.s. troops in afghanistan, billions of dollars -- about $100 billion this year in afghanistan, maintaining the u.s. and nato troop presence, u.s. troops basically can't even trust afghan troops to go out on the same combat missions because there's been so many casual ee teas, so many americans killed by su